CN108869282B - A kind of compressor - Google Patents
A kind of compressor Download PDFInfo
- Publication number
- CN108869282B CN108869282B CN201810701341.XA CN201810701341A CN108869282B CN 108869282 B CN108869282 B CN 108869282B CN 201810701341 A CN201810701341 A CN 201810701341A CN 108869282 B CN108869282 B CN 108869282B
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- Prior art keywords
- passage
- oil
- compressor
- static disc
- end cover
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- 230000003068 static effect Effects 0.000 claims abstract description 34
- 238000000926 separation method Methods 0.000 claims abstract description 25
- 238000009434 installation Methods 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 6
- 238000005192 partition Methods 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 239000000203 mixture Substances 0.000 description 7
- 239000003507 refrigerant Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
- F04C18/0215—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/02—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
- F04C29/026—Lubricant separation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention relates to a compressor, which comprises a shell and an end cover arranged at the opening end of the shell, wherein one side of the shell is provided with an installation structure used for being installed on a plane, the inner side wall of the end cover is provided with an annular static disc seat, a static disc is arranged on the static disc seat, and an oil-gas separation device comprises a straight first passage arranged at the bottom in the end cover, a hollow oil branch pipe inserted into the first passage and a second passage communicated with the first passage; the open end of the first passage extends out of the side face of the corresponding end cover, the closed end of the first passage is arranged on the inner side wall of the corresponding static disc seat, and the first passage is inclined at a certain angle relative to the direction vertical to the plane; the second passage is provided at the closed end of the first passage and has a through hole communicating with the first passage as a liquid outlet, the oil distribution pipe is sealed from the open end of the first passage, and the inner hole of the oil distribution pipe serves as a gas outlet. The invention can realize the full separation of oil bodies.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of electric automobile air conditioners, in particular to an electric scroll compressor.
[ background of the invention ]
An air conditioner compressor of an electric automobile is generally provided with an oil-gas separation device in an end cover, and oil bodies in an oil-gas mixture are separated through the oil-gas separation device. The oil return channel of the existing oil-gas separation device is generally perpendicular to the installation surface of the compressor, so that the oil body is insufficiently separated, the energy is wasted, and the use cost is high.
[ summary of the invention ]
The invention aims to overcome the defects of the technology and provide a compressor with sufficient oil body separation.
The invention provides a compressor, which comprises a shell and an end cover installed at the opening end of the shell, wherein one side of the shell is provided with an installation structure used for being installed on a plane, the inner side wall of the end cover is provided with an annular static disc seat, a static disc is installed on the static disc seat, the bottom in the end cover is provided with an oil-gas separation device, and the oil-gas separation device comprises a straight first passage arranged at the bottom in the end cover, a hollow oil branch pipe inserted into the first passage and a second passage communicated with the first passage; the open end of the first passage extends out of the side face of the corresponding end cover, the closed end of the first passage is arranged on the inner side wall of the corresponding static disc seat, and the first passage is inclined at a certain angle relative to the direction vertical to the plane; the second passage is arranged on the closed end of the first passage and is provided with a through hole communicated with the first passage as a liquid outlet, the open end of the second passage is abutted to the static disc, and the closed end of the second passage is arranged at the bottom in the end cover; the oil branch pipe is sealed with the opening end of the first passage, and an inner hole of the oil branch pipe is used as a gas outlet.
Further, the plane is a horizontal plane, and the first passage is inclined at an angle of 20-30 degrees with respect to a direction perpendicular to the horizontal plane.
Further, the first passage is inclined at an angle of 26 degrees with respect to a direction perpendicular to the horizontal plane.
Furthermore, a partition plate structure is arranged in the static disc seat, one end of the partition plate structure is abutted against the static disc, and the other end of the partition plate structure extends to the bottom in the end cover; the partition plate structure divides the interior of the end cover into a first chamber and a second chamber, and the first chamber is respectively communicated with the second chamber and an exhaust port of the static disc; the oil-gas separation device further comprises an oil return hole formed in the inner wall of the first passage, and the oil return hole corresponds to the oil separation pipe and is communicated with the second cavity.
Further, the oil return hole is located on an off-center side of the first passage.
Furthermore, the number of the oil return holes is four, and the four oil return holes are arranged at intervals along the axial direction of the first passage.
Further, the diameter of the oil return hole is 3-5 mm; the distance between two adjacent oil return holes is 8-10 mm.
The oil distribution pipe comprises a mounting part and a circular table part formed at one end of the mounting part, the mounting part is embedded in the first passage and close to the opening end of the first passage, and the circular table part is accommodated in the first passage; the oil return hole corresponds to the circular table part.
Furthermore, a channel penetrating through two ends of the static disc is arranged at a position of the static disc corresponding to the second channel, and the opening end of the second channel is communicated with the first end of the channel; the first end of passageway is equipped with the filter screen, the one end that is close to the second passageway of filter screen is inserted and is established in the open end of second passageway.
Furthermore, a motor, a bearing seat and a movable disc are sequentially arranged in the shell along the direction towards the end cover; the output end of the motor rotating shaft is embedded into the mounting end of the bearing seat, an eccentric shaft is arranged on one side of the end part of the output end of the motor rotating shaft and is positioned in the bearing seat, and the opening end of the bearing seat is mounted on the static disc through a mounting column; one end of the movable disc is installed at the tail end of the eccentric shaft, and the other end of the movable disc is matched with the static disc to form a compression chamber; an annular bearing pad is arranged between the opening end of the bearing seat and the static disc, an installation groove is formed in the peripheral side of the bearing pad, and the installation column penetrates through the installation groove.
The invention can realize the full separation of oil bodies and save energy.
[ description of the drawings ]
Fig. 1 is a schematic structural diagram of a compressor according to an embodiment of the present invention;
FIG. 2 is an exploded view of the compressor of FIG. 1 with the shell removed;
FIG. 3 is a cross-sectional view of the compressor of FIG. 1 with the shell removed;
FIG. 4 is a schematic structural view of an end cover of the compressor shown in FIG. 1;
FIG. 5 is a cross-sectional schematic view of the end cap shown in FIG. 4;
FIG. 6 is a schematic structural view of a stationary plate of the compressor shown in FIG. 1;
FIG. 7 is a schematic view of the structure of the motor, bearing pads and rotor plate of the compressor of FIG. 1;
FIG. 8 is a schematic view of a bearing housing of the compressor of FIG. 1;
fig. 9 is a schematic view of a bearing pad of the compressor shown in fig. 1.
[ detailed description ] embodiments
The invention is further described below with reference to the figures and examples.
Referring to fig. 1, the compressor provided by the present invention is a scroll compressor. The compressor includes a cylindrical casing 10 and an end cover 20. The casing 10 is closed at one end and open at the other end. The end cap 20 is mounted to the open end of the casing 10 by fasteners 201 such as bolts or the like. One side of the casing 10 is provided with a mounting structure 11 for mounting to a plane, for example, a horizontal plane, so that the entire compressor can be mounted to the horizontal plane.
Referring to fig. 2 to 5, the inner side wall of the end cover 20 is provided with an annular static disc seat 21. The stationary plate 30 is mounted on the stationary plate base 21. The end of the stationary disc 30 remote from the stationary disc seat 21 is formed with a stationary disc wrap 301. The center of the stationary disk 30 has an exhaust port 31 (see fig. 3). The inner side of the static disc seat 21 is provided with a partition plate structure 22 (see fig. 4), one end of the partition plate structure 22 abuts against the static disc 30, and the other end extends to the bottom in the end cover 20. A baffle structure 22 separates the interior of the end cap 20 into a first chamber 23 and a second chamber 24. A through groove 221 (see fig. 4) is provided in the diaphragm structure 22 between the first chamber 23 and the second chamber 24, and the first chamber 24 communicates with the second chamber 24 through the through groove 221 and communicates with the exhaust port 31 of the stationary disk 30.
An oil-gas separation device is arranged at the bottom in the end cover 20. The oil-gas separation device includes a first passage 41 provided at the bottom inside the end cover 20 in the radial direction of the end cover 20, a hollow oil branch pipe 42 inserted into the first passage 41, and a second passage 43 communicating with the first passage 41. The open end 411 of the first passage 41 protrudes from the side of the corresponding end cap 20, and the closed end 412 of the first passage 41 is provided on the inner side wall of the corresponding stationary tray base 21. The open end 411 serves as an outlet for gas. The inclination of the first passage 41 at an angle with respect to a direction perpendicular to the above-mentioned plane, e.g. the horizontal plane, is advantageous in achieving a sufficient separation of the oil bodies entering the first passage 41 with respect to a conventional design of the first passage 41 perpendicular to the above-mentioned horizontal plane. The second passage 43 is provided on the closed end 412 of the first passage 41 and has a through hole 44 communicating with the first passage 41, the through hole 44 being adjacent to the closed end 412 of the first passage 41. The through hole 44 serves as an outlet for liquid (oil). An open end 431 of the second passage 43 abuts against the stationary disc 30, and a closed end 432 of the second passage 43 is provided at the bottom inside the end cover 20. The hollow oil tube 42 is provided in the first passage 41 near the open end 411 of the first passage 41. A cover plate 46 is mounted on the open end 411 of the first passage 41, a rubber plug 47 is further arranged in the open end 411 of the first passage 41, one end of the rubber plug 47 is abutted to the oil distribution pipe 42, and the other end of the rubber plug penetrates through the cover plate 46 and extends out of the cover plate 46. In this way, the opening 411 and the oil tube 42 are sealed, and the inner hole of the hollow oil tube 42 serves as a gas outlet.
In the present embodiment, the first path 41 is inclined at an angle of 20 to 30 degrees, preferably 26 degrees, with respect to a direction perpendicular to the horizontal plane.
The oil-gas separation device further includes an oil return hole 45 provided on an inner wall of the first passage 41, the oil return hole 45 being located at a position on one side of the first passage 41 that is offset from the center, the oil return hole 45 corresponding to the oil branch pipe 42, preferably, being located between the inner wall of the first passage 41 and an outer wall of the oil branch pipe 42, and communicating with the second chamber 24. Compressed refrigerant gas such as oil-gas mixture discharged from the discharge port 31 of the stationary disc 30 enters the first chamber 23, then enters the second chamber 24 through the through groove 221, and further enters the first passage 41 through the oil return hole 45, the oil-gas mixture entering the first passage 41 collides with the inner wall of the first passage 41 and the outer wall of the oil dividing pipe 42, and is cooled under the action of the oil dividing pipe 42, wherein the oil body is changed into a liquid state and flows into the closed end 412 of the first passage 41 under the action of self gravity, and then flows into the inside of the second passage 43 through the through hole 44, and the gas is discharged out of the compressor along the inner hole of the oil dividing pipe 42 and the inside of the rubber plug 47, so that oil-gas separation is realized.
The oil return hole 45 is located on the eccentric side of the first passage 41, so that the oil-gas mixture can sufficiently impact the outer wall of the oil separation pipe 42 to achieve sufficient separation of oil bodies.
In this embodiment, the number of the oil return holes 45 is four, and the four oil return holes 45 are arranged at intervals in the axial direction of the first passage 41. The diameter of the oil return hole 45 is 3-5 mm, preferably 4 mm. The distance between two adjacent oil return holes 45 is 8-10 mm, and preferably 9 mm.
Referring to fig. 2 and 5, the oil tube 42 includes a cylindrical mounting portion 421 and a boss portion 422 formed at one end of the mounting portion 421, and an outer diameter of the boss portion 422 is gradually reduced in a direction away from the mounting portion 421. The mounting portion 421 is integrally formed with the boss portion 422. The mounting portion 421 is embedded in the first passage 41 and is close to the opening end 411 of the first passage 41, and the gas after oil-gas separation is discharged through the inner hole of the oil separation pipe 42. The boss portion 422 is accommodated in the first passage 41. The oil return hole 45 corresponds to the boss portion 422. The arrangement of the circular table part 422 is more beneficial to realizing sufficient impact and temperature reduction of the oil-gas mixture. Preferably, the generatrix of the circular truncated cone 422 is inclined at an angle of 1 degree with respect to the axis of the circular truncated cone 422.
Referring to fig. 2, 4 and 6, the stationary disc 30 is provided with a passage 32 penetrating both ends of the stationary disc 30 at a position corresponding to the second passage 43, and the open end 431 of the second passage 43 communicates with the first end 321 of the passage 32. The first end 321 of the channel 32 is provided with the strainer 33, one end of the strainer 33 close to the second passage 43 is inserted into the open end 431 of the second passage 43, the liquid oil body entering the second passage 43 enters the channel 32 through the open end 431 of the second passage 43 and the strainer 33, and the strainer 33 plays a role of filtering solid impurities for the oil body to prevent the channel 32 from being blocked. The first end 321 of the channel 32 has a larger inner diameter than the second end 322 thereof. The filter net 33 is arranged on the static disc 30, so that the processing efficiency can be improved.
An exhaust valve 34 is arranged at one end of the static disc 30 close to the inner bottom of the end cover 20, one end of the exhaust valve 34 covers the exhaust port 31 of the static disc 30, and the exhaust valve 34 is positioned in the first chamber 23.
Referring to fig. 2, 3, 7, 8 and 9, a motor 50, a bearing housing 60 and a movable plate 70 are sequentially installed in the housing 10 in a direction toward the end cover 20. The output end of the motor shaft 51 is embedded into the mounting end of the bearing seat 60, and one side of the end part of the output end of the motor shaft 51 is provided with an eccentric shaft 52, and the eccentric shaft 52 is positioned in the bearing seat 60. The open end of the bearing housing 60 is mounted to the stationary platen 30 by a mounting post 61. The movable plate 70 has one end mounted to the end of the eccentric shaft 52 and the other end formed with a movable plate wrap (not shown) that engages with the fixed plate wrap 301 of the fixed plate 30 and forms a compression chamber. The compression chamber communicates with the exhaust port 31. Under the driving of the motor 50, the motor shaft 51 rotates the eccentric shaft 52, the eccentric shaft 52 drives the movable disc 70 to perform non-rotating rotary motion in a circle with a gyration radius, so as to continuously compress refrigerant gas such as oil-gas mixture in the compression chamber, and the compressed oil-gas mixture is discharged through the exhaust port 31 of the stationary disc 30.
Specifically, a first bearing 91 is installed in the installation end of the bearing seat 60, the output end of the motor rotating shaft 51 is embedded in the first bearing 91, and the first bearing 91 plays a role in rotatably supporting the motor rotating shaft 51. An installation sleeve 71 is formed at one end of the movable disc 70 far away from the static disc 30, a second bearing 92 is installed in the installation sleeve 71, a shaft sleeve 521 is sleeved at the tail end of the eccentric shaft 52, the shaft sleeve 521 is embedded in the second bearing 92, and the second bearing 92 plays a role in rotatably supporting the eccentric shaft 52. Preferably, the first bearing 91 and the second bearing 92 are both ball bearings.
The other side of the output end of the motor shaft 51 is provided with a balance weight 53 to keep the rotation balance of the motor shaft 51.
The open end of the bearing seat 60 is provided with a first groove 62 communicated with the second end 322 of the channel 32, and one end of the first groove 62 far away from the second end 322 of the channel 32 is connected with an arc-shaped second groove 63. The first groove 62 communicates with the second groove 63. The first groove 62 is located in the middle of the second groove 63, two ends of the second groove 63 are respectively communicated with the inside of the bearing seat 60, and the oil body flowing into the channel 32 flows into the first groove 62 through the second end 322 of the channel 32 and then flows into the inside of the bearing seat 60 through two ends of the second groove 63, so that the first bearing 91, the second bearing 92 and other components in the bearing seat 60 are lubricated.
An annular bearing pad 80 is provided between the stationary disc 30 and the bearing housing 60. The bearing pad 80 serves as a protection against wear between the stationary plate 30 and the bearing housing 60. The outer periphery of the bearing pad 80 has a mounting groove 81, and the mounting post 61 is inserted into the mounting groove 81. Compared with the traditional mounting groove punched into an inner hole, the mounting groove 81 in the shape of the notch is adopted, so that flanging is not easy to occur during processing, and the flatness of the bearing pad 60 can be improved. The bearing pad 80 has a through bore 82 that communicates with the second end 322 of the channel 32 and the first recess 62 of the bearing housing 60, respectively.
The above examples merely represent preferred embodiments of the present invention, which are described in more detail and detail, but are not to be construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications, such as combinations of different features in various embodiments, may be made without departing from the spirit of the invention, and these are within the scope of the invention.
Claims (10)
1. The utility model provides a compressor, includes the casing and installs the end cover of casing open end, one side of casing is equipped with and is used for installing a planar mounting structure, the inside wall of end cover is equipped with annular quiet dish seat, install quiet dish on the quiet dish seat, its characterized in that: the bottom in the end cover is provided with an oil-gas separation device, and the oil-gas separation device comprises a straight first passage arranged at the bottom in the end cover, a hollow oil separation pipe inserted into the first passage and a second passage communicated with the first passage; the open end of the first passage extends out of the side face of the corresponding end cover, the closed end of the first passage is arranged on the inner side wall of the corresponding static disc seat, and the first passage is inclined at a certain angle relative to the direction vertical to the plane; the second passage is arranged on the closed end of the first passage and is provided with a through hole communicated with the first passage as a liquid outlet, the open end of the second passage is abutted to the static disc, and the closed end of the second passage is arranged at the bottom in the end cover; the oil branch pipe is sealed with the opening end of the first passage, and an inner hole of the oil branch pipe is used as a gas outlet.
2. The compressor of claim 1, wherein: the plane is a horizontal plane, and the angle of inclination of the first passage relative to the direction perpendicular to the horizontal plane is 20-30 degrees.
3. The compressor of claim 2, wherein: the first passage is inclined at an angle of 26 degrees with respect to a direction perpendicular to the horizontal plane.
4. The compressor of claim 1, wherein: a partition plate structure is arranged in the static disc seat, one end of the partition plate structure is abutted against the static disc, and the other end of the partition plate structure extends to the bottom in the end cover; the partition plate structure divides the interior of the end cover into a first chamber and a second chamber, and the first chamber is respectively communicated with the second chamber and an exhaust port of the static disc; the oil-gas separation device further comprises an oil return hole formed in the inner wall of the first passage, and the oil return hole corresponds to the oil separation pipe and is communicated with the second cavity.
5. The compressor of claim 4, wherein: the oil return hole is positioned on one side of the first passage, which is deviated from the center of the first passage.
6. The compressor of claim 5, wherein: the number of the oil return holes is four, and the four oil return holes are arranged at intervals along the axial direction of the first passage.
7. The compressor of claim 6, wherein: the diameter of the oil return hole is 3-5 mm; the distance between two adjacent oil return holes is 8-10 mm.
8. The compressor of claim 4, wherein: the oil distribution pipe comprises a mounting part and a circular table part formed at one end of the mounting part, the mounting part is embedded in the first passage and close to the opening end of the first passage, and the circular table part is accommodated in the first passage; the oil return hole corresponds to the circular table part.
9. The compressor of claim 1, wherein: a channel penetrating through two ends of the static disc is arranged at the position of the static disc corresponding to the second channel, and the opening end of the second channel is communicated with the first end of the channel; the first end of passageway is equipped with the filter screen, the one end that is close to the second passageway of filter screen is inserted and is established in the open end of second passageway.
10. The compressor of claim 1, wherein: a motor, a bearing seat and a movable disc are sequentially arranged in the shell along the direction towards the end cover; the output end of the motor rotating shaft is embedded into the mounting end of the bearing seat, an eccentric shaft is arranged on one side of the end part of the output end of the motor rotating shaft and is positioned in the bearing seat, and the opening end of the bearing seat is mounted on the static disc through a mounting column; one end of the movable disc is installed at the tail end of the eccentric shaft, and the other end of the movable disc is matched with the static disc to form a compression chamber; an annular bearing pad is arranged between the opening end of the bearing seat and the static disc, an installation groove is formed in the peripheral side of the bearing pad, and the installation column penetrates through the installation groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810701341.XA CN108869282B (en) | 2018-06-29 | 2018-06-29 | A kind of compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810701341.XA CN108869282B (en) | 2018-06-29 | 2018-06-29 | A kind of compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108869282A CN108869282A (en) | 2018-11-23 |
| CN108869282B true CN108869282B (en) | 2020-04-07 |
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| CN201810701341.XA Active CN108869282B (en) | 2018-06-29 | 2018-06-29 | A kind of compressor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114183349B (en) * | 2021-12-17 | 2022-12-27 | 珠海格力电器股份有限公司 | Compressor front cover assembly and compressor |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2811620Y (en) * | 2005-08-15 | 2006-08-30 | 南京奥特佳冷机有限公司 | Vortex compressor with oil and gas separator for large displacement vehicle |
| CN202250844U (en) * | 2011-04-30 | 2012-05-30 | 湖南华强电气有限公司 | Oil return structure of scroll compressor |
| JP5692177B2 (en) * | 2012-07-19 | 2015-04-01 | 株式会社豊田自動織機 | Compressor |
| JP2014134132A (en) * | 2013-01-10 | 2014-07-24 | Panasonic Corp | Compressor |
| JP2015098785A (en) * | 2013-11-18 | 2015-05-28 | ダイキン工業株式会社 | Scroll compressor |
| CN106704197B (en) * | 2016-11-04 | 2018-12-07 | 珠海格力电器股份有限公司 | Oil-gas separator, compressor and air conditioner |
| CN206397743U (en) * | 2016-12-13 | 2017-08-11 | 南京奥特佳新能源科技有限公司 | The motor compressor of the built-in economic benefits and social benefits oil separating structure of band |
| CN107859626A (en) * | 2017-12-27 | 2018-03-30 | 大连大学 | A kind of high efficient oil separation screw compressor and its oil separating method |
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Denomination of invention: A compressor Effective date of registration: 20230424 Granted publication date: 20200407 Pledgee: Dongguan Kechuang Financing Guarantee Co.,Ltd. Pledgor: GUANGDONG JINBA INTELLIGENT TECHNOLOGY Co.,Ltd. Registration number: Y2023980039036 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20200407 Pledgee: Dongguan Kechuang Financing Guarantee Co.,Ltd. Pledgor: GUANGDONG JINBA INTELLIGENT TECHNOLOGY Co.,Ltd. Registration number: Y2023980039036 |